Remember the hot girl in highschool that never had to try, everyone liked her and wanted to be her friend?
That girl at 30, when life gets real, and your personality and skills matter, she's not doing as well.
Perhaps the reason that mages aren't doing as well now at the highest ranks is because life is just too easy for them against every other class and team that doesn't wtfpwn them the instant they see the baby blue bar.
They never reallly had to try that hard, and now, when it gets tough, they're ill equipped. Ironic, that it turns out their lack of skill is what is keeping them out of the highest ranks now, when all the mages claim it's our lack of skill at the lower level that stops us from beating them.
Keep buffing them blizz, as someone who's used the horrible balance dance as an inspiration to quit taking pvp seriously I couldn't care less about it anymore. The more you buff them, the more we'll just see mage on mage fights, and that may finally convince you to address the issues of balance.
I guess cup winning teams always have the best comp, but I can't help but think that blizz was hoping for a final headline that reads '2 mages 1 cup'.